Sole



FIG. 1 is a bottom plan view of a sole showing my new design;

FIG. 2 is a front elevational view thereof, shown at a reduced scale;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view of the sole of FIG. 1; and,

FIG. 7 is a bottom perspective view thereof, shown at a reduced scale.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a sole, as shown and described. 